Neat little trick to force the preview images of running programs in Windows 7 taskbar or a so called Aero Peek, to show instantly with no delay at all.
Remember as a kid you played with a mirror, putting your face to the side of it and your friends were laughing at the funny symmetry of your face and your faces reflection?
Google Docs or these days Google Drive can make collaborating with your colleagues or friends much easier by sharing Google Document, Spreadsheet, Presentation, Pictures or a whole folder.